Display screen with a graphical interface



FIG. 1 is a perspective view illustrating a display screen with a graphical interface according to one embodiment; and,

FIG. 2 is a front view thereof.

The broken line showings of the display screen, rectangles, graph, text and lines in all the figures are included for the purpose of illustrating environmental structure and portions of the display screen with a graphical interface. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical interface, as shown and described. 